Conclusions The deep scleral flap of NPTS contains the outer wall of Schlemm ′ s canal and the external trabecular membrane, which consists of the inner wall of the Schlemm ′ s canal, the adjacent trabecular meshwork and part of the corneoscleral trabecular meshwork. 结论非穿透小梁手术的深层巩膜瓣包括Schlemm管外壁,撕除膜包括邻管组织和部分角巩膜小梁。